Subtract 21/6 from 18/2
1st number: 9 0/2, 2nd number: 3 3/6
18/2 - 21/6 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
18/2 = 18 × 3/2 × 3 = 54/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
21/6 = 21 × 1/6 × 1 = 21/6 - Subtract the two like fractions:
54/6 - 21/6 = 54 - 21/6 = 33/6 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
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